NotForReview: Implement zero/one-copy texture for ozone freon using Intel DRM

ui/ozone/public/surface_factory_ozone.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_OZONE_PUBLIC_SURFACE_FACTORY_OZONE_H_
 #define UI_OZONE_PUBLIC_SURFACE_FACTORY_OZONE_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/native_library.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/overlay_transform.h"
 #include "ui/ozone/ozone_base_export.h"
 
 class SkBitmap;
 class SkCanvas;
 
 namespace ui {
 
 class NativePixmap;
@@ skipping 32 matching lines @@
 //
 // The remaining functions are not covered since they are needed in both drawing
 // modes (See comments bellow for descriptions).
 class OZONE_BASE_EXPORT SurfaceFactoryOzone {
  public:
   // Describes overlay buffer format.
   // TODO: this is a placeholder for now and will be populated with more
   // formats once we know what sorts of content, video, etc. we can support.
   enum BufferFormat {
     UNKNOWN,
-    RGBA_8888,
+    BGRA_8888,
     RGBX_8888,
     RGB_888,
   };
 
   enum BufferUsage {
     MAP,
     SCANOUT,
   };
 
   typedef void* (*GLGetProcAddressProc)(const char* name);
@@ skipping 53 matching lines @@
   virtual OverlayCandidatesOzone* GetOverlayCandidates(
       gfx::AcceleratedWidget w);
 
   // Create a single native buffer to be used for overlay planes or zero copy
   // for |widget| representing a particular display controller or default
   // display controller for kNullAcceleratedWidget.
   virtual scoped_refptr<NativePixmap> CreateNativePixmap(
       gfx::AcceleratedWidget widget,
       gfx::Size size,
       BufferFormat format,
-      BufferUsage usage);
+      BufferUsage usage,
+      gfx::GpuMemoryBufferHandle* handle);
 
   // Sets the overlay plane to switch to at the next page flip.
   // |w| specifies the screen to display this overlay plane on.
   // |plane_z_order| specifies the stacking order of the plane relative to the
   // main framebuffer located at index 0.
   // |plane_transform| specifies how the buffer is to be transformed during.
   // composition.
   // |buffer| to be presented by the overlay.
   // |display_bounds| specify where it is supposed to be on the screen.
   // |crop_rect| specifies the region within the buffer to be placed
@@ skipping 15 matching lines @@
   // such as MAP for zero copy or SCANOUT for display controller.
   virtual bool CanCreateNativePixmap(BufferUsage usage);
 
  private:
   static SurfaceFactoryOzone* impl_;  // not owned
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_SURFACE_FACTORY_OZONE_H_